From owner-freebsd-fs@FreeBSD.ORG Fri Feb 4 23:55:56 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 432D1106566B for ; Fri, 4 Feb 2011 23:55:56 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-yi0-f54.google.com (mail-yi0-f54.google.com [209.85.218.54]) by mx1.freebsd.org (Postfix) with ESMTP id 020388FC0A for ; Fri, 4 Feb 2011 23:55:55 +0000 (UTC) Received: by yie19 with SMTP id 19so1188118yie.13 for ; Fri, 04 Feb 2011 15:55:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=y/PVXHjJuM/fhK5qxTwdZ9tQEtWtm+zfTtewEjWFO0E=; b=f5ZXikVDuyuEcdhmcY0tk4XbHnZmnmuxg+20HEYLXYQH1ubmIXRnujUr0p/ySh5Lso YIq1IZ6I4HzbztCaPsOs/LLyEjuZTJYmSJIf3YoydbxLNbVBfPY3KcBqMqxt+gKTJU9x dEEvAcneBiFk2o1NCA0OW2/JyQbtkQnGSD1g4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=tcYjqnEwS0uKzs74I6b4H9LvY0arnQo39BORJbuVHXYgRzqs3/NheHymUih8oYnoRe QtUEdbq4GzjtSG98Ff3w46sP4ot2QHdPjri5TbKIG53MHRQ5yoYNrNGHjLy77DPCfY8v E6jWKvJTXj0ugm5iQiXn2FxyLYqcuhGQja7D0= MIME-Version: 1.0 Received: by 10.90.75.4 with SMTP id x4mr15602463aga.177.1296863753530; Fri, 04 Feb 2011 15:55:53 -0800 (PST) Received: by 10.90.32.20 with HTTP; Fri, 4 Feb 2011 15:55:53 -0800 (PST) In-Reply-To: <20110204212957.GA9549@icarus.home.lan> References: <20110204172822.00006149@unknown> <20110204212957.GA9549@icarus.home.lan> Date: Fri, 4 Feb 2011 15:55:53 -0800 Message-ID: From: Freddie Cash To: FreeBSD Filesystems Content-Type: text/plain; charset=UTF-8 Subject: Re: geom_sched and ZFS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Feb 2011 23:55:56 -0000 On Fri, Feb 4, 2011 at 1:29 PM, Jeremy Chadwick wrote: > On Fri, Feb 04, 2011 at 05:28:22PM +0000, Bruce Cran wrote: >> On Fri, 4 Feb 2011 08:40:03 -0800 >> Freddie Cash wrote: >> >> > Just curious if anyone has played around with geom_sched underneath >> > ZFS, and found it to be extremely worthwhile, or not worth the bother, >> > or if if it should be avoided altogether. >> >> ZFS has its own I/O scheduler so shouldn't have any use for geom_sched. >> See http://www.solarisinternals.com/wiki/index.php/ZFS_Performance for >> details. > > And furthermore, gsched greatly angers things like sysinstall. Yeah, I kinda figured it wouldn't be needed. Just curious if anyone tried it. :) -- Freddie Cash fjwcash@gmail.com